高效结构调整对 AlCoCrFeNi/AT13 复合涂层微观结构、耐腐蚀性和磨损性能的影响

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Tribology International Pub Date : 2024-11-07 DOI:10.1016/j.triboint.2024.110377

Kaicheng Zhang , Zenan Su , Shiyao Xu , Lintao Wu , Xin Zhang , Zehua Zhou , Guangyu Wang

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引用次数: 0

摘要

本研究采用等离子喷涂和双粉喂料技术，开发了一种铝钴铬铁镍/AT13（Al₂O₃-13 % TiO₂）复合涂层的快速结构控制技术。共制作了四种涂层：纯 HEA、HEA-D（分散）、HEA-S1（外层为 HEA 的多层）和 HEA-S2（外层为 AT13 的多层）。AT13 的引入改变了内应力分布，并通过降低电化学反应速率增强了耐腐蚀性。在分层涂层（HEA-S1、HEA-S2）中，AT13 层间阻挡层降低了腐蚀倾向。此外，纯 HEA 涂层表现出粘着磨损。由于 AT13 颗粒改善了塑性变形和界面剪切，HEA-D 涂层出现了磨料磨损。HEA-S1 通过内部 AT13 层减少了应变和磨损。HEA-S2 通过外层 AT13 实现了优异的耐磨性，表现出典型的磨损机制。

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Effect of efficient structural tuning on the microstructure, corrosion resistance, and wear performance of AlCoCrFeNi/AT13 composite coatings

This study developed a rapid structure control technique for AlCoCrFeNi/AT13 (Al₂O₃–13 % TiO₂) composite coatings using plasma spraying and dual powder feeding. Four coatings were fabricated: pure HEA, HEA-D (dispersed), HEA-S1 (multilayer with outer HEA), and HEA-S2 (multilayer with outer AT13). The introduction of AT13 altered the internal stress distribution and enhanced corrosion resistance by lowering the electrochemical reaction rate. In layered coatings (HEA-S1, HEA-S2), the AT13 interlayer barrier reduced corrosion tendency. Additionally, pure HEA coatings exhibited adhesive wear. While HEA-D coatings experienced abrasive wear as AT13 particles improved plastic deformation and interface shearing. HEA-S1 reduced strain and wear via an internal AT13 layer. HEA-S2 achieved superior abrasion resistance through an outer AT13 layer, exhibiting typical abrasive wear mechanisms.

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来源期刊

Tribology International 工程技术-工程：机械

CiteScore

10.10

自引率

16.10%

发文量

627

审稿时长

35 days

期刊介绍： Tribology is the science of rubbing surfaces and contributes to every facet of our everyday life, from live cell friction to engine lubrication and seismology. As such tribology is truly multidisciplinary and this extraordinary breadth of scientific interest is reflected in the scope of Tribology International. Tribology International seeks to publish original research papers of the highest scientific quality to provide an archival resource for scientists from all backgrounds. Written contributions are invited reporting experimental and modelling studies both in established areas of tribology and emerging fields. Scientific topics include the physics or chemistry of tribo-surfaces, bio-tribology, surface engineering and materials, contact mechanics, nano-tribology, lubricants and hydrodynamic lubrication.